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Optimizing Bias Point of High Efficiency Class-B GaN Power Amplifier for the Best Efficiency

Ondrej Fiser, Tomas Gotthans
2019 2019 29th International Conference Radioelektronika (RADIOELEKTRONIKA)  

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High performance amplifiers are always a demanding component in the world of wireless communication. The amplifier is the heart that drives each radio system. We have designed and developed a high performance one-stage class-B GaN power amplifier for drone applications in the S-band (at 1,6 GHz) with maximum output power 6 W. This paper compare fixed settings of the bias point option and optimized bias point for the best efficiency within the entire output power range. Applying the proposed
more » ... od, that is particularly advantageous for low power performance to improve efficiency by more than 15 %.
doi:10.1109/radioelek.2019.8733566 fatcat:pirfjcoqtzb5phaglzw4ve2xwi
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Ondrej Fiser, Tomas Gotthans. "Optimizing Bias Point of High Efficiency Class-B GaN Power Amplifier for the Best Efficiency." 2019 29th International Conference Radioelektronika (RADIOELEKTRONIKA) (2019)